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Finding the Fourth Proportional to 107,366.76, 161,113.50 and 40,862.88

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Solution

The fourth proportional to 107,366.76, 161,113.50 and 40,862.88 is: 61,318.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,366.76 : 161,113.50 = 40,862.88 : x
  2. Step 2: Convert to fraction form
    107,366.76/161,113.50 = 40,862.88/x
  3. Step 3: Cross multiply
    107,366.76x = 161,113.50 × 40,862.88
  4. Step 4: Simplify right side
    107,366.76x = 6,583,561,616.88
  5. Step 5: Solve for x
    x = 6,583,561,616.88/107,366.76
  6. Step 6: Final answer
    x = 61,318.43

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.